70-413 Exam DNS and DHCP Infrastructure 1

Question 1

Which DNS record type maps a hostname to an IPv6 address?

Accepted Answer

AAAA

Answer

AAAA records map a fully qualified domain name to a 128-bit IPv6 address, analogous to how A records map to IPv4 addresses.

Question 2

What DNS zone type stores its data within Active Directory and replicates automatically to all DNS-enabled domain controllers?

Accepted Answer

AD-Integrated Zone

Answer

AD-Integrated zones store DNS data as AD objects, benefiting from AD replication, multi-master updates, and secure dynamic DNS updates.

Question 3

Which DHCP option number provides clients with the IP address of their default gateway?

Accepted Answer

Option 003

Answer

DHCP Option 003 (Router) specifies the default gateway address that clients should use to reach destinations outside their local subnet.

Question 4

What DHCP configuration prevents a scope from assigning IP addresses that are already statically configured on other devices?

Accepted Answer

Exclusion Range

Answer

Exclusion ranges specify a set of addresses within a scope that the DHCP server will never assign dynamically, protecting statically configured devices.

Question 5

Which DNS record type is required for reverse DNS lookups, mapping an IP address back to a hostname?

Accepted Answer

PTR

Answer

PTR (Pointer) records are stored in reverse lookup zones and map IP addresses to their corresponding fully qualified domain names.

70-413 Exam Practice Test

70-413 Exam Practice Test

70-413 Exam DNS and DHCP Infrastructure 1